Beretta Px4 Storm 15-Round 9mm Magazine - Compact/Subcompact

The Beretta JM88400 Px4 Storm magazine delivers reliable 15-round capacity for Px4 Storm Compact and Subcompact pistols. This factory magazine maintains the feeding reliability that Beretta pistols are known for while maximizing ammunition capacity in a compact package.

What Makes This Different

This factory Beretta magazine features steel construction with a black finish that resists corrosion and wear. Unlike aftermarket alternatives, the JM88400 maintains the exact spring tension and follower geometry specified by Beretta engineers. The 15-round capacity provides three additional rounds compared to standard compact magazines while maintaining reliable function.

Key Features

• 15-round capacity maximizes ammunition storage in compact frame
• Black steel construction with corrosion-resistant finish
• Compatible with Px4 Storm Compact and Subcompact models
• Factory Beretta specifications ensure reliable feeding
• Witness holes allow quick round count verification
• Steel magazine body provides long-term durability
• Drop-free design enables fast tactical reloads

The magazine functions reliably across temperature extremes and maintains consistent spring pressure through thousands of loading cycles. Law enforcement agencies and competitive shooters rely on factory Beretta magazines for duty and match use where feeding malfunctions are unacceptable. The steel construction withstands repeated drops on concrete and maintains dimensional stability under stress.

Technical Specs

• Capacity: 15 rounds of 9mm Luger
• Construction: Black steel body with steel spring
• Compatibility: Px4 Storm Compact and Subcompact pistols
• Finish: Black oxide coating
• Overall Length: Approximately 5.2 inches
• Weight: 4.2 ounces (empty)
• Manufacturer: Beretta USA
• Model Number: JM88400

Factory magazines eliminate the feeding issues common with aftermarket alternatives while providing maximum legal capacity in many jurisdictions. The JM88400 represents the reliability standard that backup magazines should meet for serious use.